libcamera: pipeline: ipu3: frames: Use the request sequence

For all frame indexes, use the same sequence number as generated
by the Request object.

This allows clear matching of what operations occurred to which request.

Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>

2 files changed, 1 insertions, 4 deletions

diff --git a/src/libcamera/pipeline/ipu3/frames.cpp b/src/libcamera/pipeline/ipu3/frames.cpp
index e8eb1c51..03e8131c 100644
--- a/src/libcamera/pipeline/ipu3/frames.cpp
+++ b/src/libcamera/pipeline/ipu3/frames.cpp
@@ -18,7 +18,6 @@ namespace libcamera {
 LOG_DECLARE_CATEGORY(IPU3)
 
 IPU3Frames::IPU3Frames()
-	: nextId_(0)
 {
 }
 
@@ -31,7 +30,6 @@ void IPU3Frames::init(const std::vector<std::unique_ptr<FrameBuffer>> &paramBuff
 	for (const std::unique_ptr<FrameBuffer> &buffer : statBuffers)
 		availableStatBuffers_.push(buffer.get());
 
-	nextId_ = 0;
 	frameInfo_.clear();
 }
 
@@ -43,7 +41,7 @@ void IPU3Frames::clear()
 
 IPU3Frames::Info *IPU3Frames::create(Request *request)
 {
-	unsigned int id = nextId_++;
+	unsigned int id = request->sequence();
 
 	if (availableParamBuffers_.empty()) {
 		LOG(IPU3, Error) << "Parameters buffer underrun";
diff --git a/src/libcamera/pipeline/ipu3/frames.h b/src/libcamera/pipeline/ipu3/frames.h
index 106e5c15..4acdf48e 100644
--- a/src/libcamera/pipeline/ipu3/frames.h
+++ b/src/libcamera/pipeline/ipu3/frames.h
@@ -53,7 +53,6 @@ private:
 	std::queue<FrameBuffer *> availableParamBuffers_;
 	std::queue<FrameBuffer *> availableStatBuffers_;
 
-	unsigned int nextId_;
 	std::map<unsigned int, std::unique_ptr<Info>> frameInfo_;
 };